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This thruster is primarily used for the attitude and roll control of the Ariane 5 launch vehicle during its ascent. The thruster can also be used for re-entry attitude control applications as successfully demonstrated during ARD mission.
The thruster operates over a wide pressure range and is thus ideal for blow down propulsion systems. The combustion chamber and nozzle are manufactured from Haynes 25 alloy. The structure is also designed to serve as a heat barrier for protecting both the propellant valve and spacecraft structure.
An optional internally redundant catalyst bed heater and thermal insulation guarantees optimum start up conditions. In addition, the thruster is qualified for multiple cold starts